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PREVIEW OF THE EXTENSIVE 2024 WORLD CUP CALENDAR • WORLD TRIATHLON independantexpress.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from independantexpress.com Daily Mail and Mail on Sunday newspapers.
The water source of the water diversion project from the Hanjiang River to the Weihe River is one of the most important drinking water sources in China. Its water quality is related to the water safety of the long-distance water diversion system from the Hanjiang to Weihe Rivers. In order to explore the spatiotemporal change trend of the water environment characteristics of the water source area and analyze the key factors that have a greater impact on it, this study collected 9 types of water environment physical and chemical parameters from 10 water quality monitoring sections from 2017 to 2019; the water environment characteristics of the water source area of the water diversion system from the Hanjiang River to the Weihe River were analyzed and evaluated by using the variance analysis method, the hierarchical cluster analysis method and the water quality identification index evaluation method. The results were as follows. (1) There was spatiotemporal heterogeneity in a number of ph ....
汉中：加快建设区域中心城市 推动高质量发展 sxdaily.com.cn - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sxdaily.com.cn Daily Mail and Mail on Sunday newspapers.